CVE-2019-11027

Ruby OpenID (aka ruby-openid) through 2.8.0 has a remotely exploitableflaw. This library is used by Rails web applications to integrate withOpenID Providers. Severity can range from medium to critical, depending onhow a web application developer chose to employ the ruby-openid library.Developers who based their OpenID integration heavily on the "example app"provided by the project are at highest risk.